✦ LIBER ✦

Oxidation of Isatins to Isatoic Anhydrides and 2,3-Dioxo-1,4-benzoxazines

✍ Scribed by Dr. Gernot Reissenweber; Dr. Dietrich Mangold

Publisher: John Wiley and Sons
Year: 1980
Tongue: English
Weight: 211 KB
Volume: 19
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.198002221

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: The Chemistry of 2H

ChemInform Abstract: The Chemistry of 2H-3,1-Benzoxazine-2,4(1H)-dione (Isatoic Anhydride). Part 24. N-Benzylation of Isatoic Anhydride under Mitsunobu Conditions.

✍ Gary M. Coppola 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 27 KB 👁 1 views

Oxidation von Isatinen zu Isatosäureanhy

Oxidation von Isatinen zu Isatosäureanhydriden und 2,3-Dioxo-1,4-benzoxazinen

✍ Dr. Gernot Reißenweber; Dr. Dietrich Mangold 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 198 KB 👁 1 views

On the purity of 2-[ortho-anilinyl]-1,3-

On the purity of 2-[ortho-anilinyl]-1,3-benzoxazole derived from 2H-3,1-benzoxazine-2,4(1H)dione (isatoic anhydride) [1,2]

✍ Karen M. Button; Robert A. Gossage; Hilary A. Jenkins; Tayseer Mahdi; Sanja Resa 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 181 KB

## Abstract magnified image The Lewis acid catalyzed synthesis and chromatographic purification of isatoic anhydride‐derived 2‐(2′‐anilinyl)‐1,3‐benzoxazole (**2**) can result in the co‐isolation of **2** and a light pink colored impurity (<5%). This latter species has been identified (NMR, single

ChemInform Abstract: 1,2-Dihydro-2-thiox

ChemInform Abstract: 1,2-Dihydro-2-thioxo-4H-3,1-benzothiazin-4-one: Formation from Carbon Disulfide and Isatoic Anhydride.

✍ Philipp Ottersbach; Hans-Georg Haecker; Paul W. Elsinghorst; Gregor Schnakenburg 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 18 KB 👁 1 views

ChemInform Abstract: Five-Membered 2,3-D

ChemInform Abstract: Five-Membered 2,3-Dioxo Heterocycles. Part 77. [4 + 2]-Cycloaddition of Alkyl Vinyl Ethers to 3-Aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4(4H)-triones.

✍ E. E. Stepanova; A. V. Babenysheva; A. N. Maslivets 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 43 KB 👁 1 views

Ring Opening of 2-(Benzylamino)-2H-1,4-b

Ring Opening of 2-(Benzylamino)-2H-1,4-benzoxazin-3(4H)-ones and 2-Bromo-2H-1,4-benzoxazin-3(4H)-ones

✍ Janez Ilaš; Danijel Kikelj 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 German ⚖ 223 KB

## Abstract Substituted 2‐(benzylamino)‐2__H__‐1,4‐benzoxazin‐3(4__H__)‐ones are unstable under alkaline and acidic conditions, undergoing opening of the benzoxazinone ring. 2‐Bromo‐2__H__‐1,4‐benzoxazin‐3(4__H__)‐ones show similar degradation under alkaline conditions, while replacement of Br at C